mtd: rawnand: pasemi: Stop using nand_release()

This helper is not very useful and very often people get confused:
they use nand_release() instead of nand_cleanup().

Let's stop using nand_release() by calling mtd_device_unregister() and
nand_cleanup() directly.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200519130035.1883-42-miquel.raynal@bootlin.com

drivers/mtd/nand/raw/pasemi_nand.c

@@ -169,6 +169,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
 static int pasemi_nand_remove(struct platform_device *ofdev)
 {
 	struct nand_chip *chip;
+	int ret;
 
 	if (!pasemi_nand_mtd)
 		return 0;
@@ -176,7 +177,9 @@ static int pasemi_nand_remove(struct platform_device *ofdev)
 	chip = mtd_to_nand(pasemi_nand_mtd);
 
 	/* Release resources, unregister device */
-	nand_release(chip);
+	ret = mtd_device_unregister(pasemi_nand_mtd);
+	WARN_ON(ret);
+	nand_cleanup(chip);
 
 	release_region(lpcctl, 4);